What are the symptoms of a misfire ignition coil pack?
Here are few others symptoms that your car or mini-van may be experiencing: The check engine light (CEL) will be illuminated on your instrument cluster but not always. Your car will idle rough. A ‘rotten egg’ smell may come out of the tailpipe when you drive your car (or mini-van).
What causes a Chevy C / K to stop running?
A leaky fuel pump will drain the line up to the carb, but about 15 seconds of cranking will fill the line again. 2. A sticking mechanical choke or a bad electric choke. Try; when you return to your truck from the Quicky Mart, put the accelerator slowly all the way to the floor, let your foot up slowly and then crank the engine.
What makes an ignition coil pack start sparking?
When the ignition control module (ICM) receives these crank sensor signals, it starts to create a switching signal for each individual ignition coil pack. It’s this switching signal in combination with 12 Volts that make the ignition coil packs start sparking away.
Why does my GM 3.8L V6 have a misfire code?
Troubleshooting a misfire condition or misfire codes (OBD II) on your GM 3.8L V6 equipped vehicle (Buick, Chevy, Olds, Pontiac) can be quite a challenge. Why? Because so many different things can cause a misfire (also known as an engine miss or ‘dead’ cylinder).
What causes rough idle when accelerating a car?
I repeated this several times to make sure and having seen this specific symptom so many times before (where the rough idle is only present at idle and goes away when you accelerate the car), I had the feeling that one of 2 things were causing the problem: Low compression in one cylinder (or several).
How to diagnose misfire code P0300 cylinder # 6?
P0306 Cylinder #6 Misfire. Misfire is present, but no misfire codes are registered in the computer’s memory. Lack of power upon acceleration. Smell of unburned gas exiting the tail pipe. Rough idle and may stall. Cranks but does not start. Will not pass the emissions tests. Bad gas mileage.